Unit Converters
Speed & Velocity Converter
Easily convert speeds for driving, running, or sailing.
1.609344km/h
1 Miles per Hour = 1.609344 Kilometers per Hours
Formula: multiply the value by 1.609344
Frequently Asked Questions
How do you convert mph to km/h?
Multiply the speed in mph by 1.60934 to get the speed in km/h. For example, 60 mph is roughly 96.5 km/h.
What is a knot?
A knot is one nautical mile per hour, used primarily in aviation and maritime navigation. 1 knot equals 1.15 mph.
What is the speed of sound?
The speed of sound in dry air at 20°C is approximately 343 meters per second, or 767 mph.